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Swift-XRT spectra of GRB 101225A

Last updated after receiving ObsID 00441015010, version 11

Data were analysed using HEASOFT version 6.32

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.847 (Levan et al. 2014)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 1389 to 190027 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+4452 s

N_H (Galactic)	1.07 × 10²¹ cm^-2
N_H (intrinsic)	2.92 (+0.28, -0.26) × 10²¹ cm^-2
z of absorber	0.847
Photon index	1.643 (+0.018, -0.018)
Flux (0.3-10 keV) (Observed)	7.61 (+0.10, -0.09) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.09 (+0.09, -0.09) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.19 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	935.41 (856)
Spectrum exposure	2.7 ks

PC mode. Mean photon arrival: T0+18323 s

N_H (Galactic)	1.07 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0.847
Photon index	1.69 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	2.24 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.64 (+0.06, -0.06) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.06 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	660.53 (672)
Spectrum exposure	42.8 ks

Late Time spectrum (T0 + 7272 to 190027 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18323 s

N_H (Galactic)	1.07 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0.847
Photon index	1.69 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	2.24 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.64 (+0.06, -0.06) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.06 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	660.53 (672)
Spectrum exposure	42.8 ks